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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15201
Experience:  GM Grand Master Technician 2007. 14 years experience.
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Having trouble starting a 2006 chevy colorado

Customer Question

having trouble starting a 2006 chevy colorado
Submitted: 1 year ago.
Category: Chevy
Expert:  JOHN aka Eauto replied 1 year ago.

does it start?

Customer: replied 1 year ago.
It will start 30 to 40 times with no problem, then sometimes it turns over but will not fire. I have replaced the battery, spark plugs and coil packs
Expert:  JOHN aka Eauto replied 1 year ago.

engine light on?

Customer: replied 1 year ago.
no codes shown, when it does this, if I wait 15 minutes it will start and run fine
Expert:  JOHN aka Eauto replied 1 year ago.

is it losing spark or fuel when this happens?

Customer: replied 1 year ago.
no. it happens hot or cold, full of fuel. It turns over solid just like it should but wont fire
Expert:  JOHN aka Eauto replied 1 year ago.

so how do you know its spark?

Customer: replied 1 year ago.
I had a mechanic friend of mine hook it up to a dyno machine
Customer: replied 1 year ago.
it seems that 15 minutes is the magic time
Expert:  JOHN aka Eauto replied 1 year ago.

is it getting injector pulse when this happens? did he check fuel pressure?

Customer: replied 1 year ago.
to both questions
Expert:  JOHN aka Eauto replied 1 year ago.

is the security light on?

Customer: replied 1 year ago.
we also replaced the fuel pump and sending unit. what is a security light
Expert:  JOHN aka Eauto replied 1 year ago.

theft or padlock light on the dash

Customer: replied 1 year ago.
no security light
Customer: replied 1 year ago.
I have also tried resetting the system by clamping the positive and negative cables together for 15 min
Expert:  JOHN aka Eauto replied 1 year ago.

theft or padlock light on the dash?

Customer: replied 1 year ago.
any ideas?
Expert:  david craig replied 1 year ago.

Hi Im David, so it appears to me that after its been running and warmed up like a trip to the store, sometimes it wont start after getting back in the vehicle?

Expert:  david craig replied 1 year ago.

do you still need assistance?

Expert:  Joshua Haynes replied 1 year ago.

Hi, my name is ***** ***** I will assist you. Are you still looking for help or have you given up?

Expert:  Joshua Haynes replied 1 year ago.

Hi, this is Josh again just checking in to see if you still need assistance.